00:25 GMT +322 August 2018
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    © RIA Novosti . Alexei Nikolsky
    An ingenious shoe polisher, a device for processing wood wastes into liquid fuel, a bioprocessor for cleaning soil of pesticides, and other inventions were demonstrated to Russian Prime Minister Vladimir Putin when he visited the finalists’ exhibition for innovative projects at the Russian Youth Innovation Convention in St. Petersburg on Friday.

    An ingenious shoe polisher, a device for processing wood wastes into liquid fuel, a bioprocessor for cleaning soil of pesticides, and other inventions were demonstrated to Russian Prime Minister Vladimir Putin when he visited the finalists’ exhibition for innovative projects at the Russian Youth Innovation Convention in St. Petersburg on Friday.

    An ingenious shoe polisher, a device for processing wood wastes into liquid fuel, a bioprocessor for cleaning soil of pesticides, and other inventions were demonstrated to Russian Prime Minister Vladimir Putin when he visited the finalists’ exhibition for innovative projects at the Russian Youth Innovation Convention in St. Petersburg on Friday. 

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